Home / 658,442.24-908,666.88-403,934.08

Finding the Fourth Proportional to 658,442.24, 908,666.88 and 403,934.08

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Solution

The fourth proportional to 658,442.24, 908,666.88 and 403,934.08 is: 557,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,442.24 : 908,666.88 = 403,934.08 : x
  2. Step 2: Convert to fraction form
    658,442.24/908,666.88 = 403,934.08/x
  3. Step 3: Cross multiply
    658,442.24x = 908,666.88 × 403,934.08
  4. Step 4: Simplify right side
    658,442.24x = 367,041,520,199.27
  5. Step 5: Solve for x
    x = 367,041,520,199.27/658,442.24
  6. Step 6: Final answer
    x = 557,439.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.